1. Department of Sociology, University of Michigan (email: )
2. Department of Sociology, Stanford University (email: )
3. Institute for Evaluation of Labor Market and Education Policy (email: )
4. School of Economics, University of Surrey (email: )
5. Department of Economics, University of Bergen (email: )
6. Erasmus School of Economics (email: )
7. Department of Health, Society, and Behavior, University of California, Irvine (email: )
8. Department of Economics, London School of Economics (email: )
9. The Physician Think Tank ATLAS, Copenhagen, and SEC, Uppsala University (email: )
10. Statistics Canada (email: )
11. Frontier Economics (email: )
12. Finnish Institute for Health and Welfare (email: )